gpu: nvgpu: fix error for static code analysis

use memset to fill structures with zero instead of
assigning zero.
mark functions local to the file as static
fixing errors in clk, perf and therm modules.

Bug 200299572

Change-Id: I0470298803c35b6faed2edc2a0c1dbf0e47e842e
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/1472940
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

2 files changed, 8 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/perf/perf.c b/drivers/gpu/nvgpu/perf/perf.c
index 871ff753..9adcadb6 100644
--- a/drivers/gpu/nvgpu/perf/perf.c
+++ b/drivers/gpu/nvgpu/perf/perf.c
@@ -61,11 +61,15 @@ u32 perf_pmu_vfe_load(struct gk20a *g)
 {
         struct pmu_cmd cmd;
         struct pmu_msg msg;
-        struct pmu_payload payload = { {0} };
+        struct pmu_payload payload;
         u32 status;
         u32 seqdesc;
-        struct nv_pmu_perf_rpc rpccall = {0};
-        struct perfrpc_pmucmdhandler_params handler = {0};
+        struct nv_pmu_perf_rpc rpccall;
+        struct perfrpc_pmucmdhandler_params handler;
+
+        memset(&payload, 0, sizeof(struct pmu_payload));
+        memset(&rpccall, 0, sizeof(struct nv_pmu_perf_rpc));
+        memset(&handler, 0, sizeof(struct perfrpc_pmucmdhandler_params));
 
         /*register call back for future VFE updates*/
         g->ops.perf.handle_pmu_perf_event = pmu_handle_perf_event;
diff --git a/drivers/gpu/nvgpu/perf/vfe_var.c b/drivers/gpu/nvgpu/perf/vfe_var.c
index 996929c2..c1f87c25 100644
--- a/drivers/gpu/nvgpu/perf/vfe_var.c
+++ b/drivers/gpu/nvgpu/perf/vfe_var.c
@@ -161,7 +161,7 @@ u32 vfe_var_pmu_setup(struct gk20a *g)
         return status;
 }
 
-u32 dev_init_get_vfield_info(struct gk20a *g,
+static u32 dev_init_get_vfield_info(struct gk20a *g,
         struct vfe_var_single_sensed_fuse *pvfevar)
 {
         u8 *vfieldtableptr = NULL;